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-rw-r--r--include/sound/asequencer.h4
-rw-r--r--include/sound/seq_kernel.h8
2 files changed, 12 insertions, 0 deletions
diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h
index 18d4bc3ee0b7..ddbb6bf801bb 100644
--- a/include/sound/asequencer.h
+++ b/include/sound/asequencer.h
@@ -65,6 +65,10 @@
#define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS)
#define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL)
+/* check whether the given event is a UMP event */
+#define snd_seq_ev_is_ump(ev) \
+ (IS_ENABLED(CONFIG_SND_SEQ_UMP) && ((ev)->flags & SNDRV_SEQ_EVENT_UMP))
+
/* queue sync port */
#define snd_seq_queue_sync_port(q) ((q) + 16)
diff --git a/include/sound/seq_kernel.h b/include/sound/seq_kernel.h
index 527e7f8ad661..c8621671fa70 100644
--- a/include/sound/seq_kernel.h
+++ b/include/sound/seq_kernel.h
@@ -75,6 +75,14 @@ int snd_seq_expand_var_event_at(const struct snd_seq_event *event, int count,
int snd_seq_dump_var_event(const struct snd_seq_event *event,
snd_seq_dump_func_t func, void *private_data);
+/* size of the event packet; it can be greater than snd_seq_event size */
+static inline size_t snd_seq_event_packet_size(struct snd_seq_event *ev)
+{
+ if (snd_seq_ev_is_ump(ev))
+ return sizeof(struct snd_seq_ump_event);
+ return sizeof(struct snd_seq_event);
+}
+
/* interface for OSS emulation */
int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo);